Home / 18,436,620.60-27,654,930.90-4,788,647.10

Finding the Fourth Proportional to 18,436,620.60, 27,654,930.90 and 4,788,647.10

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Solution

The fourth proportional to 18,436,620.60, 27,654,930.90 and 4,788,647.10 is: 7,182,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436,620.60 : 27,654,930.90 = 4,788,647.10 : x
  2. Step 2: Convert to fraction form
    18,436,620.60/27,654,930.90 = 4,788,647.10/x
  3. Step 3: Cross multiply
    18,436,620.60x = 27,654,930.90 × 4,788,647.10
  4. Step 4: Simplify right side
    18,436,620.60x = 132,429,704,654,985.38
  5. Step 5: Solve for x
    x = 132,429,704,654,985.38/18,436,620.60
  6. Step 6: Final answer
    x = 7,182,970.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.